Iv. complete the sentences with the present perfect form of the verbs in brackets. (12 ) 1. he (not call) his friend. 2. misha (write) a letter to his sister. 3. the children (clean) the forest. 4. she (not walk) the dog. 5. they (buy) a new computer. 6. i (leave) the book at home.
2.has written
3.have cleaned
4.has not walked
5.have bought
6.have left